undies nudies udnies dunies nduies dnuies unides nuides uindes iundes niudes inudes udines duines uidnes iudnes diunes idunes ndiues dniues nidues indues dinues idnues undeis nudeis udneis duneis ndueis dnueis unedis nuedis uendis eundis neudis enudis udenis duenis uednis eudnis deunis edunis ndeuis dneuis neduis enduis denuis ednuis unieds nuieds uineds iuneds niueds inueds uneids nueids uenids eunids neuids enuids uiends iuends ueinds euinds ieunds eiunds nieuds ineuds neiuds eniuds ienuds einuds udiens duiens uidens iudens diuens iduens udeins dueins uedins eudins deuins eduins uiedns iuedns ueidns euidns ieudns eiudns dieuns ideuns deiuns ediuns ieduns eiduns ndieus dnieus nideus indeus dineus idneus ndeius dneius nedius endius denius ednius niedus inedus neidus enidus iendus eindus dienus idenus deinus edinus iednus eidnus undise nudise udnise dunise nduise dnuise unidse nuidse uindse iundse niudse inudse udinse duinse uidnse iudnse diunse idunse ndiuse dniuse niduse induse dinuse idnuse undsie nudsie udnsie dunsie ndusie dnusie unsdie nusdie usndie sundie nsudie snudie udsnie dusnie usdnie sudnie dsunie sdunie ndsuie dnsuie nsduie snduie dsnuie sdnuie unisde nuisde uinsde iunsde niusde inusde unside nuside usnide sunide nsuide snuide uisnde iusnde usinde suinde isunde siunde nisude insude nsiude sniude isnude sinude udisne duisne uidsne iudsne diusne idusne udsine dusine usdine sudine dsuine sduine uisdne iusdne usidne suidne isudne siudne disune idsune dsiune sdiune isdune sidune ndisue dnisue nidsue indsue dinsue idnsue ndsiue dnsiue nsdiue sndiue dsniue sdniue nisdue insdue nsidue snidue isndue sindue disnue idsnue dsinue sdinue isdnue sidnue undesi nudesi udnesi dunesi nduesi dnuesi unedsi nuedsi uendsi eundsi neudsi enudsi udensi duensi uednsi eudnsi deunsi edunsi ndeusi dneusi nedusi endusi denusi ednusi undsei nudsei udnsei dunsei ndusei dnusei unsdei nusdei usndei sundei nsudei snudei udsnei dusnei usdnei sudnei dsunei sdunei ndsuei dnsuei nsduei snduei dsnuei sdnuei unesdi nuesdi uensdi eunsdi neusdi enusdi unsedi nusedi usnedi sunedi nsuedi snuedi uesndi eusndi usendi suendi esundi seundi nesudi ensudi nseudi sneudi esnudi senudi udesni duesni uedsni eudsni deusni edusni udseni duseni usdeni sudeni dsueni sdueni uesdni eusdni usedni suedni esudni seudni desuni edsuni dseuni sdeuni esduni seduni ndesui dnesui nedsui endsui densui ednsui ndseui dnseui nsdeui sndeui dsneui sdneui nesdui ensdui nsedui snedui esndui sendui desnui edsnui dsenui sdenui esdnui sednui uniesd nuiesd uinesd iunesd niuesd inuesd uneisd nueisd uenisd eunisd neuisd enuisd uiensd iuensd ueinsd euinsd ieunsd eiunsd nieusd ineusd neiusd eniusd ienusd einusd unised nuised uinsed iunsed niused inused unsied nusied usnied sunied nsuied snuied uisned iusned usined suined isuned siuned nisued insued nsiued sniued isnued sinued unesid nuesid uensid eunsid neusid enusid unseid nuseid usneid suneid nsueid snueid uesnid eusnid usenid suenid esunid seunid nesuid ensuid nseuid sneuid esnuid senuid uiesnd iuesnd ueisnd euisnd ieusnd eiusnd uisend iusend usiend suiend isuend siuend uesind eusind useind sueind esuind seuind iesund eisund iseund sieund esiund seiund niesud inesud neisud enisud iensud einsud niseud inseud nsieud snieud isneud sineud nesiud ensiud nseiud sneiud esniud seniud iesnud eisnud isenud sienud esinud seinud udiesn duiesn uidesn iudesn diuesn iduesn udeisn dueisn uedisn eudisn deuisn eduisn uiedsn iuedsn ueidsn euidsn ieudsn eiudsn dieusn ideusn deiusn ediusn iedusn eidusn udisen duisen uidsen iudsen diusen idusen udsien dusien usdien sudien dsuien sduien uisden iusden usiden suiden isuden siuden disuen idsuen dsiuen sdiuen isduen siduen udesin duesin uedsin eudsin deusin edusin udsein dusein usdein sudein dsuein sduein uesdin eusdin usedin suedin esudin seudin desuin edsuin dseuin sdeuin esduin seduin uiesdn iuesdn ueisdn euisdn ieusdn eiusdn uisedn iusedn usiedn suiedn isuedn siuedn uesidn eusidn useidn sueidn esuidn seuidn iesudn eisudn iseudn sieudn esiudn seiudn diesun idesun deisun edisun iedsun eidsun diseun idseun dsieun sdieun isdeun sideun desiun edsiun dseiun sdeiun esdiun sediun iesdun eisdun isedun siedun esidun seidun ndiesu dniesu nidesu indesu dinesu idnesu ndeisu dneisu nedisu endisu denisu ednisu niedsu inedsu neidsu enidsu iendsu eindsu diensu idensu deinsu edinsu iednsu eidnsu ndiseu dniseu nidseu indseu dinseu idnseu ndsieu dnsieu nsdieu sndieu dsnieu sdnieu nisdeu insdeu nsideu snideu isndeu sindeu disneu idsneu dsineu sdineu isdneu sidneu ndesiu dnesiu nedsiu endsiu densiu ednsiu ndseiu dnseiu nsdeiu sndeiu dsneiu sdneiu nesdiu ensdiu nsediu snediu esndiu sendiu desniu edsniu dseniu sdeniu esdniu sedniu niesdu inesdu neisdu enisdu iensdu einsdu nisedu insedu nsiedu sniedu isnedu sinedu nesidu ensidu nseidu sneidu esnidu senidu iesndu eisndu isendu siendu esindu seindu diesnu idesnu deisnu edisnu iedsnu eidsnu disenu idsenu dsienu sdienu isdenu sidenu desinu edsinu dseinu sdeinu esdinu sedinu iesdnu eisdnu isednu siednu esidnu seidnu
Note: these 'words' (valid or invalid) are all the permutations of the word undies. These words are obtained by scrambling the letters in undies.